If you have not told your pharmacist or doctor about any of the above, tell them before you start taking Mersyndol DayStrength.

Taking other medicines

Tell your pharmacist or doctor if you are taking any other medicines, including any that you buy without a prescription from your pharmacy, supermarket or health food store.

Some medicines may interfere with the absorption of Mersyndol DayStrength. These include:

medicines used to help relax, sleep or relieve anxiety, such as barbiturates and sedatives

benzodiazepines (medicines used as sedatives or to treat anxiety)

medicines containing alcohol (ethanol), e.g. some cough syrups

medicines used to treat epilepsy or fits

medicines which thin the blood such as warfarin

other opioid analgesics used to treat pain

monoamine oxidase inhibitors, medicine used to treat depression, taken within the last 14 days

flucloxacillin, zidovudine or rifampicin, medicines used to treat infections

metoclopramide or domperidone, medicines used to control nausea and vomiting

quinidine, a medicine used to treat abnormal or irregular heart beat

phenothiazines and antipsychotic agents, medicines used to treat mental disorders

medicines for diarrhoea, such as kaolin, pectin and loperamide

chloramphenicol, an antibiotic used to treat ear and eye infection

medicines used to relieve stomach cramps or spasms, to prevent travel sickness and to treat Parkinson's disease

medicines used to treat high blood pressure

cholestyramine, a medicine used to lower high cholesterol levels

chelating resin

buprenorphine

naltrexone

These medicines may be affected by Mersyndol DayStrength or may affect how well Mersyndol DayStrength works. You may need to use different amounts of your medicine, or take different medicines. Your pharmacist or doctor will advise you.

Your doctor or pharmacist will have more information on medicines to be careful with or avoid while taking Mersyndol DayStrength.

How to take it

How much to take

The standard dose for this medicine is:

Adults and children 12 years or over: One or two tablets every 3 to 4 hours as needed for relief. Do not take more than 8 caplets in 24 hour period.

Mersyndol DayStrength is not recommended for children under 12 years of age.

Mersyndol Daystrength is not recommended for use over an extended period of time.

Do not take more than the recommended dose.

Talk to your pharmacist or doctor about pain control if Mersyndol DayStrength is not helping. If your body cannot metabolise codeine properly, you may be getting reduced benefit from this medicine.

If you are over 65 years of age, talk to your pharmacist or doctor about how much to take. Elderly patients are more likely to have less effective kidney function due to age. This may increase the risk of side effects.

How to take it

Swallow the tablets whole with a full glass of water or other liquid.

Mersyndol DayStrength can be taken with or without food.

If you forget to take it

You may take Mersyndol Daystrength as soon as you remember or if you think you need it.

Do not take a double dose to make up for the dose you have missed. This may increase the chance of getting unwanted side effect.

If you are not sure what to do, ask your pharmacist or doctor.

If you take too much (overdose)

Immediately telephone your doctor or the Poisons Information Centre (telephone 13 11 26) for advice or go to Accident and Emergency at your nearest hospital, if you think that you or anyone else may have taken too much Mersyndol DayStrength.

Do this even if there are no signs of discomfort or poisoning. You may need medical attention.

Large amounts of paracetamol, one of the active ingredients, can cause liver damage. Children who take too much Mersyndol DayStrength can also suffer extreme drowsiness, rash or have trouble seeing.

While you are taking it

Things you must do

Tell your doctors, dentists and pharmacists who are treating you that you are taking Mersyndol DayStrength.

If you are about to be started on any new medicine, tell your pharmacist or doctor that you are taking Mersyndol DayStrength.

If you plan to have surgery that needs a general anaesthetic, tell your doctor or dentist that you are taking this medicine.

Talk to your pharmacist or doctor if your symptoms do not improve. Your pharmacist or doctor will assess your condition and decide if you should continue to take Mersyndol DayStrength.

Things you must not do

Children:

Do not give this medicine for more than 48 hours unless a doctor tells you.

Adults:

Do not take more than a few days at a time unless your doctor tells you to.

Do not take more than the recommended dose unless your pharmacist or doctor tells you to.

Do not give this medicine to anyone else, even if they have the same condition as you.

Do not use this medicine to treat any other complaints unless your pharmacist or doctor tells you to.

Things to be careful of

Be careful driving or operating machinery until you know how Mersyndol DayStrength affects you. This medicine may cause dizziness in some people. If this happens, do not drive or operate machinery.

Do not take high doses of the medicine for long periods of time unless your doctor tells you to. Codeine may be habit forming.

Avoid alcohol while taking Mersyndol DayStrength as it may interfere with the effects of the medicine and may increase the risk of liver side effects. Drinking large quantities of alcohol while taking Mersyndol DayStrength may increase the risk of liver side effects due to paracetamol.

Side effects

All medicines have some unwanted side effects. Sometimes they are serious, but most of the time, they are not. Your pharmacist or doctor has weighed the risk of using this medicine against the benefits they expect it will have for you.

Do not be alarmed by this list of possible side effects. You may not experience any of them.

Tell your pharmacist or doctor as soon as possible if you do not feel well while you are taking Mersyndol DayStrength.

It helps most people with their condition but it may have some unwanted side effects in some people.

Tell your pharmacist or doctor if you notice the following and they worry you:

constipation

vomiting

nausea

dizziness

drowsiness

indigestion

sweating

difficulty in passing urine

These are mild side effects of this medicine and usually short-lived.

Tell your doctor as soon as possible if you notice any of the following:

painful red areas with blisters and peeling layers of skin which may be accompanied by fever and/or chills

severe blisters and bleeding in the lips, eyes, mouth, nose and genitals

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